Recording artist Meek Mill (R) and Philadelphia 76ers co-owner Michael Rubin, speak as other founding partners of Reform Alliance, a newly formed organization to reform the U.S. criminal justice system, (L-R) Shawn "Jay-Z" Carter, Michael Novogratz and Robert Kraft look on during the Reform Alliance launch event in New York City, New York., U.S., January 23, 2019. REUTERS/Mike Segar 

Shawn "Jay-Z" Carter (L) and Kraft Group CEO and New England Patriots owner Robert Kraft, both founding partners of Reform Alliance, a newly formed organization to reform the U.S. criminal justice system, embrace during the Reform Alliance launch event in New York City, New York., U.S., January 23, 2019. REUTERS/Mike Segar 

Shawn "Jay-Z" Carter, (L) sits with other founding partners of Reform Alliance, a newly formed organization to reform the U.S. criminal justice system, (L-R) Michael Novogratz, Robert Kraft and Michael Rubin during the Reform Alliance launch event in New York City, New York., U.S., January 23, 2019. REUTERS/Mike Segar 

Shawn "Jay-Z" Carter, (L) sits with other founding partners of Reform Alliance, a newly formed organization to reform the U.S. criminal justice system, (L-R) Michael Novogratz, Robert Kraft and Michael Rubin as he speaks during the Reform Alliance launch event in New York City, New York., U.S., January 23, 2019. REUTERS/Mike Segar 

The founding partners of "Reform Alliance", a newly formed organization to reform the U.S. criminal justice system, (L-R) Shawn "Jay-Z" Carter, Robert Kraft, Michael Rubin, Meek Mill, Michael E. Novogratz, Clara Wu Tsai, Daniel S. Loeb and Reform Alliance CEO Van Jones pose together at the Reform Alliance launch event in New York City, New York., U.S., January 23, 2019. REUTERS/Mike Segar 

Actor Lynda Carter poses with her husband Robert A. Altman and their children Jessica and James after unveiling her star on the Hollywood Walk of Fame in Los Angeles, California, U.S., April 3, 2018. REUTERS/Mario Anzuoni 

Actor Lynda Carter arrives for the Kennedy Center Honors in Washington, U.S., December 3, 2017. REUTERS/Joshua Roberts 

Actor Lynda Carter arrives for the Kennedy Center Honors in Washington, U.S., December 3, 2017. REUTERS/Joshua Roberts 

French Minister of Defense Jean-Yves Le Drianin listens to U.S. Secretary of Defense Ash Carter speak after an honor cordon arrival in Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of Defense Ash Carter listens to French Minister of Defense Jean-Yves Le Drianin after an honor cordon arrival with in Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

French Minister of Defense Jean-Yves Le Drianin speaks after an honor cordon arrival with U.S. Secretary of Defense Ash Carter Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of Defense Ash Carter speaks after an honor cordon arrival with French Minister of Defense Jean-Yves Le Drianin in Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of Defense Ash Carter (L) and French Minister of Defense Jean-Yves Le Drian hug after an honor cordon arrival in Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of Defense Ash Carter (L) and French Minister of Defense Jean-Yves Le Drian speak after an honor cordon arrival in Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of Defense Ash Carter (L) and French Minister of Defense Jean-Yves Le Drian speak after an honor cordon arrival in Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of Defense Ash Carter (L) and French Minister of Defense Jean-Yves Le Drian walk together after an honor cordon arrival in Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of Defense Ash Carter (L) and French Minister of Defense Jean-Yves Le Drian shake hands after an honor cordon arrival in Washington, U.S., November 28, 2016. REUTERS/Joshua Roberts 

Defense Secretary Ash Carter speaks during a ceremony marking the 15th anniversary of the 9/11 attacks at the Pentagon in Washington, U.S., September 11, 2016. REUTERS/Joshua Roberts 

U.S. President Barack Obama, Defense Secretary Ash Carter and Joint Chiefs Chair Gen. Joseph Dunford arrive for a ceremony marking the 15th anniversary of the 9/11 attacks at the Pentagon in Washington, U.S., September 11, 2016. REUTERS/Joshua Roberts 

People watch as U.S. President Barack Obama, Defense Secretary Ash Carter and Joint Chiefs Chair Gen. Joseph Dunford take part in a ceremony marking the 15th anniversary of the 9/11 attacks at the Pentagon in Washington, U.S., September 11, 2016. REUTERS/Joshua Roberts 

U.S. President Barack Obama greets Defense Secretary Ash Carter and Joint Chiefs Chair Gen. Joseph Dunford during a ceremony marking the 15th anniversary of the 9/11 attacks at the Pentagon in Washington, U.S., September 11, 2016. REUTERS/Joshua Roberts 

People watch as U.S. President Barack Obama, Defense Secretary Ash Carter and Joint Chiefs Chair Gen. Joseph Dunford take part in a ceremony marking the 15th anniversary of the 9/11 attacks at the Pentagon in Washington, U.S., September 11, 2016. REUTERS/Joshua Roberts 

U.S. President Barack Obama, Defense Secretary Ash Carter and Joint Chiefs Chair Gen. Joseph Dunford take part in a ceremony marking the 15th anniversary of the 9/11 attacks at the Pentagon in Washington, U.S., September 11, 2016. REUTERS/Joshua Roberts 

U.S. President Barack Obama, Defense Secretary Ash Carter (unseen) and Joint Chiefs Chair Gen. Joseph Dunford take part in a ceremony marking the 15th anniversary of the 9/11 attacks at the Pentagon in Washington, U.S., September 11, 2016. REUTERS/Joshua Roberts TPX IMAGES OF THE DAY 

Singapore Prime Minister Lee Hsien Loong (C), U.S. Secretary of Defense Ash Carter (L) and U.S. Army Maj. Gen. Bradley Becker participate in a wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., August 1, 2016. REUTERS/Joshua Roberts 

Singapore Prime Minister Lee Hsien Loong, U.S. Secretary of Defense Ash Carter and U.S. Army Maj. Gen. Bradley Becker participate in a wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., August 1, 2016. REUTERS/Joshua Roberts 

Singapore Prime Minister Lee Hsien Loong, U.S. Secretary of Defense Ash Carter and U.S. Army Maj. Gen. Bradley Becker participate in a wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., August 1, 2016. REUTERS/Joshua Roberts 

Singapore Prime Minister Lee Hsien Loong, U.S. Secretary of Defense Ash Carter and U.S. Army Maj. Gen. Bradley Becker participate in a wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., August 1, 2016. REUTERS/Joshua Roberts 

Singapore Prime Minister Lee Hsien Loong, U.S. Secretary of Defense Ash Carter and U.S. Army Maj. Gen. Bradley Becker participate in a wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Virginia, U.S., August 1, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of State John Kerry (R) and U.S. Secretary of Defense Ash Carter speak at a "Meeting of the Ministers of the Global Coalition to Counter ISIL: Joint Plenary Session" at the State Department in Washington, U.S., July 21, 2016. REUTERS/Joshua Roberts 

U.S. Secretary of State John Kerry (R) and U.S. Secretary of Defense Ash Carter speak at a "Meeting of the Ministers of the Global Coalition to Counter ISIL: Joint Plenary Session" at the State Department in Washington, U.S., July 21, 2016. REUTERS/Joshua Roberts 

Eric Fanning, the incoming 22nd Secretary of the Army, greets U.S. Defense Secretary Ash Carter during his full honor arrival ceremony at Fort Myers in Arlington, Virginia, U.S., June 20, 2016. REUTERS/Joshua Roberts 

Eric Fanning, the incoming 22nd Secretary of the Army, greets U.S. Defense Secretary Ash Carter as U.S. Army Chief of Staff General Mark A. Milley watches during his full honor arrival ceremony at Fort Myers in Arlington, Virginia, U.S., June 20, 2016. REUTERS/Joshua Roberts 

Eric Fanning, the incoming 22nd Secretary of the Army, speaks during his full honor arrival ceremony as U.S. Defense Secretary Ash Carter and U.S. Army Chief of Staff General Mark A. Milley listen at Fort Myers in Arlington, Virginia, U.S., June 20, 2016. REUTERS/Joshua Roberts 

U.S. Defense Secretary Ash Carter (R) follows French Defence Minister Jean-Yves le Drian at an honor cordon arrival ceremony at the Pentagon in Washington November 24, 2015. REUTERS/Joshua Roberts 

U.S. Defense Secretary Ash Carter (R) hosts an honor cordon to welcome French Defense Minister Jean-Yves le Drian to the Pentagon in Washington November 24, 2015. REUTERS/Joshua Roberts

U.S. Defense Secretary Ash Carter hugs French Defense Minister Jean-Yves le Drian during an honor cordon arrival ceremony at the Pentagon in Washington November 24, 2015. REUTERS/Joshua Roberts 

Julie Gavin (L) and Corey Carter, suppoters of U.S. Republican presidential candidate Donald Trump, recite the Pledge of Allegiance before a campaign rally at the USS Wisconsin battleship in Norfolk, Virginia October 31, 2015. REUTERS/Joshua Roberts 

Former U.S. President Jimmy Carter (R) shakes hands with former U.S. Vice President Walter Mondale at an event hosted by the Humphrey School of Public Affairs at the University of Minnesota in Washington October 20, 2015. REUTERS/Joshua Roberts 

Former U.S. President Jimmy Carter (R) laughs with former U.S. Vice President Walter Mondale at an event hosted by the Humphrey School of Public Affairs at the University of Minnesota in Washington, October 20, 2015. REUTERS/Joshua Roberts 

Former U.S. President Jimmy Carter arrives to speak during an event honoring former U.S. Vice President Walter Mondale hosted by the Humphrey School of Public Affairs at the University of Minnesota in Washington October 20, 2015. REUTERS/Joshua Roberts 

Former U.S. President Jimmy Carter (R) speaks with former U.S. Vice President Walter Mondale at an event hosted by the Humphrey School of Public Affairs at the University of Minnesota in Washington October 20, 2015. REUTERS/Joshua Roberts 

Former U.S. President Jimmy Carter (C), former U.S. Vice President Walter Mondale (L) and Richard Moe, Mondale's former chief of staff, speak at an event hosted by the Humphrey School of Public Affairs at the University of Minnesota in Washington, October 20, 2015. REUTERS/Joshua Roberts 

Former U.S. President Jimmy Carter waves during an event honoring former U.S. Vice President Walter Mondale hosted by the Humphrey School of Public Affairs at the University of Minnesota in Washington, October 20, 2015. REUTERS/Joshua Roberts 

U.S. Secretary of Defense Ash Carter speaks to reporters after his speech at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ash Carter speaks to reporters following his speech at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ash Carter speaks to reporters following his speech at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ash Carter gestures as he speaks at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ash Carter speaks at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ash Carter addresses the audience at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ash Carter departs the stage after speaking at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ash Carter speaks at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ash Carter speaks at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ashton Carter leaves the podium after speaking at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Secretary of Defense Ashton Carter speaks at NASA Ames Research Center in Mountain View, California, August 28, 2015. REUTERS/Robert Galbraith 

U.S. Defense Secretary Ash Carter is greeted by military personnel including Col. Robert Paddock, (3rd L), Royal Jordanian Air Force Brig Gen. Zaid Negresh (4th L) and Royal Jordanian Air Force Commander Maj. Gen. Mansour al Jabour (2nd R) as he arrives on a C-17 military aircraft at a Jordanian Air Base, July 21, 2015, after leaving Israel. REUTERS/Carolyn Kaster/Pool 

U.S. Defense Secretary Ash Carter (R) is greeted by military personnel including Col. Robert Paddock (3rd L), Royal Jordanian Air Force Brig Gen. Zaid Negresh (4th L) and Royal Jordanian Air Force Commander Maj. Gen. Mansour al Jabour, as he arrives on a C-17 military aircraft at a Jordanian Air Base, July 21, 2015, after leaving Israel. REUTERS/Carolyn Kaster/Pool 

National Security Advisor Susan Rice speaks during an interview about the recent nuclear deal reached with Iran at the White House in Washington July 15, 2015. U.S. Defense Secretary Ash Carter will travel to Saudi Arabia as part of the Obama administration's efforts to convince skeptical allies in the region about the benefits of the Iran nuclear deal, National Security Adviser Susan Rice said on Wednesday. REUTERS/Joshua Roberts 

National Security Advisor Susan Rice speaks during an interview about the recent nuclear deal reached with Iran at the White House in Washington July 15, 2015. U.S. Defense Secretary Ash Carter will travel to Saudi Arabia as part of the Obama administration's efforts to convince skeptical allies in the region about the benefits of the Iran nuclear deal, National Security Adviser Susan Rice said on Wednesday. REUTERS/Joshua Roberts 

National Security Advisor Susan Rice speaks during an interview about the recent nuclear deal reached with Iran at the White House in Washington July 15, 2015. U.S. Defense Secretary Ash Carter will travel to Saudi Arabia as part of the Obama administration's efforts to convince skeptical allies in the region about the benefits of the Iran nuclear deal, National Security Adviser Susan Rice said on Wednesday. REUTERS/Joshua Roberts